a. An leaf-tailed gecko is a kind of lizard. b. A leaf-tailed gecko is a kind of lizard. c. A leaf-tailed gecko is a kinds of lizard.
B
15
It is a place where experiments are done.
lab
15
It is an object or machine people use to do work.
tool
15
Jane Goodall and George Washington Carver are _____________________.
scientists
15
A bird breaks out of its egg by ____________________.
instinct
15
A hammer is a _______________ used to build something.
tool
15
The photograph is _________________ that the dog climbed a tree.
proof
15
Mom has a good _________________ for packing suitcases.
method
15
I will experiment to prove my _________________.
theory
15
The scientist had a _______________ about gravity.
theory
15
What ___________ do you use for studying?
method
15
bird a. chirp b. tire c. drill
A
15
fur a. fun b. stir c. floor
B
15
girl a. gift b. shirt c. grill
B
15
a. Scientists learned the Betty the crow could solve a problems. b. Scientists learn that Betty the crow could solved a problem. c. Scientists learned that Betty the crow could solve a problem.
C
15
a. A Bengal tiger is a very large cat. b. A Bengal tiger are a very large cat. c. An Bengal tiger is a very large cat.